Home / 14,998.20-20,701.52-8,625.49

Finding the Fourth Proportional to 14,998.20, 20,701.52 and 8,625.49

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Solution

The fourth proportional to 14,998.20, 20,701.52 and 8,625.49 is: 11,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.20 : 20,701.52 = 8,625.49 : x
  2. Step 2: Convert to fraction form
    14,998.20/20,701.52 = 8,625.49/x
  3. Step 3: Cross multiply
    14,998.20x = 20,701.52 × 8,625.49
  4. Step 4: Simplify right side
    14,998.20x = 178,560,753.74
  5. Step 5: Solve for x
    x = 178,560,753.74/14,998.20
  6. Step 6: Final answer
    x = 11,905.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.